Nuns of the Ukrainian Orthodox Church of the Moscow Patriarchate take part in a ceremony marking the 1031st anniversary of the Christianisation of the country, which was then known as 'Kievan Rus', in Kiev, Ukraine July 27, 2019. REUTERS/Gleb Garanich

Nuns of the Ukrainian Orthodox Church of the Moscow Patriarchate take part in a ceremony marking the 1031st anniversary of the Christianisation of the country, which was then known as 'Kievan Rus', in Kiev, Ukraine July 27, 2019. REUTERS/Gleb Garanich